1 // This is a regression test on debug info to make sure that we can get a
2 // meaningful stack trace from a C++ program.
3 // RUN: %llvmgcc -S -O0 -g %s -o - | llvm-as | --disable-fp-elim llc -o Output/StackTrace.s -f
4 // RUN: as Output/StackTrace.s -o Output/StackTrace.o
5 // RUN: g++ Output/StackTrace.o -o Output/StackTrace.exe
6 // RUN: ( echo "break DeepStack::deepest"; echo "run 17" ; echo "where" ) > Output/StackTrace.gdbin
7 // RUN: gdb -q -batch -n -x Output/StackTrace.gdbin Output/StackTrace.exe | tee Output/StackTrace.out | grep '#0 DeepStack::deepest.*(this=.*,.*x=33)'
8 // RUN: gdb -q -batch -n -x Output/StackTrace.gdbin Output/StackTrace.exe | grep '#7 0x.* in main.*(argc=[12],.*argv=.*)'
16 DeepStack(int seed) : seedVal(seed) {}
18 int shallowest( int x ) { return shallower(x + 1); }
19 int shallower ( int x ) { return shallow(x + 2); }
20 int shallow ( int x ) { return deep(x + 3); }
21 int deep ( int x ) { return deeper(x + 4); }
22 int deeper ( int x ) { return deepest(x + 6); }
23 int deepest ( int x ) { return x + 7; }
25 int runit() { return shallowest(seedVal); }
28 int main ( int argc, char** argv) {
30 DeepStack DS9( (argc > 1 ? atoi(argv[1]) : 0) );